Celina High School students Tasha Girotra, Jenna Jennings and Bailey Martin sing as The Pink Ladies, Jan, Frenchy and Rizzo, during a slumber party in a scene from the school's production of the musical "Grease." Show times are 8 p.m. Friday and Saturday, 3 p.m. Sunday, 7 p.m. April 18, 8 p.m. April 19 and 20 and 3 p.m. April 14. Tickets are $9 each and are available by calling 419-586-1494.